Analysis
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max time kernel
177s -
max time network
186s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
resource tags
androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system -
submitted
16-07-2024 22:05
Static task
static1
Behavioral task
behavioral1
Sample
f1e4854bc5b5afd9f6d2bda246e09d37cae2b045d9cde6edc576664d01f1b7b8.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
f1e4854bc5b5afd9f6d2bda246e09d37cae2b045d9cde6edc576664d01f1b7b8.apk
Resource
android-x64-arm64-20240624-en
General
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Target
f1e4854bc5b5afd9f6d2bda246e09d37cae2b045d9cde6edc576664d01f1b7b8.apk
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Size
509KB
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MD5
9aa1644d1e7552db40d8b447f33da4f8
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SHA1
f630160995955ce73f1b6a5e23a03b4bb2956f85
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SHA256
f1e4854bc5b5afd9f6d2bda246e09d37cae2b045d9cde6edc576664d01f1b7b8
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SHA512
3aa3a80367cad03ba8ab8468deaa9c7f5536a8681d9d3d95fd1eec8433f3b1a7cf9cfdde8faad2999f554d9b4de36118a305f5b4f16b52c170241045925dd6fe
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SSDEEP
12288:khw5zZvLFTLUpTZpJgVZBqVqvii/OsZnF5Pnu:ke5zZvLpYbYKqFGOnjnu
Malware Config
Extracted
octo
https://kesmecekarpuz.site/NGE2Y2RjYjdmYjg3/
https://kesmecekarpuz.com/NGE2Y2RjYjdmYjg3/
https://kesmecekarpuz145.com/NGE2Y2RjYjdmYjg3/
https://kesmecekarpuz878.com/NGE2Y2RjYjdmYjg3/
https://kesmecekarpuz5446.com/NGE2Y2RjYjdmYjg3/
https://kesmecekarpuz8455.com/NGE2Y2RjYjdmYjg3/
Signatures
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Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
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Octo payload 1 IoCs
Processes:
resource yara_rule /data/data/com.northfree00/cache/qbdbkyrc family_octo -
Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
Processes:
com.northfree00ioc pid process /data/user/0/com.northfree00/cache/qbdbkyrc 4312 com.northfree00 /data/user/0/com.northfree00/cache/qbdbkyrc 4312 com.northfree00 -
Makes use of the framework's Accessibility service 4 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
Processes:
com.northfree00description ioc process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.northfree00 Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.northfree00 -
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
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Queries the phone number (MSISDN for GSM devices) 1 TTPs
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Acquires the wake lock 1 IoCs
Processes:
com.northfree00description ioc process Framework service call android.os.IPowerManager.acquireWakeLock com.northfree00 -
Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs
Application may abuse the framework's foreground service to continue running in the foreground.
Processes:
com.northfree00description ioc process Framework service call android.app.IActivityManager.setServiceForeground com.northfree00 -
Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs
Application may abuse the accessibility service to prevent their removal.
Processes:
com.northfree00ioc process android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.northfree00 android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.northfree00 android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.northfree00 android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.northfree00 -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
Processes:
com.northfree00description ioc process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.northfree00 -
Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
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Reads information about phone network operator. 1 TTPs
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Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
Processes:
com.northfree00description ioc process Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS com.northfree00 -
Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
Processes:
com.northfree00description ioc process Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS com.northfree00 -
Requests modifying system settings. 1 IoCs
Processes:
com.northfree00description ioc process Intent action android.settings.action.MANAGE_WRITE_SETTINGS com.northfree00 -
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
Processes:
com.northfree00description ioc process Framework service call android.app.IActivityManager.registerReceiver com.northfree00 -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
Processes:
com.northfree00description ioc process Framework API call javax.crypto.Cipher.doFinal com.northfree00
Processes
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com.northfree001⤵
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Requests accessing notifications (often used to intercept notifications before users become aware).
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Requests modifying system settings.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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/data/data/com.northfree00/cache/oat/qbdbkyrc.cur.profFilesize
484B
MD5cf99259511b1c97c0c8f347733065cfa
SHA164edefa923a2bbaae21ae323e7b410d06321df73
SHA256eaa858f28f8c8e1f3d65533174623d11e96e8a10f083db67df0968f4d532e8e9
SHA5128701d93da6acbddf351130a20289fa179a8479ef3a7127adab069f8a1424a606eea9b4212d87b6dcf2f8e1974d4469e21280e65cc96182a8e576d731b93247c0
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/data/data/com.northfree00/cache/qbdbkyrcFilesize
448KB
MD5a661ebd2a6093fa75a2ca1d2f7434a3d
SHA1550a18d7ef8cfa9e2f7760721c7dea40a1054638
SHA2561145353d2b4479dbb74f298f7f14293cc1bb7c57dc6fd5ff48d9bb021cfcde8d
SHA5129f5aee09935879d9fbc78e35c9aef8f10cc927c34428f3329aabbef90a16a809642cc6ce6cabf96f4f26fbdbfa66f91ab1fd9377328fbc5a9c047d643137e222